"We review evidentiary rulings for an abuse of discretion. State v. Derbyshire, 2009 MT 27, ¶ 19, 349 Mont. 114, 201 P.3d 811. "A court abuses its discretion if it acts arbitrarily without the employment of conscientious judgment or exceeds the bounds of reason, resulting in substantial injustice." Derbyshire, ¶ 19." State v. Hardman, 2012 MT 70, ¶ 8, 364 Mont. 361, 276 P.3d 839.